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[1] Experimental Economics, History of | SpringerLink — The history of experimental economics in the 1980s and 1990s is the story of a booming research programme, increasingly influential within the discipline and the social sciences at large, expanding in new directions - neuroscience, for example - and attracting some of the most talented graduate students.
[2] The Experimental Turn in Economics: A History of Experimental Economics ... — The history of this new practice reveals this went further than simply introducing the experimental method to economics. Its history shows individual economists and research communities above all redefining the relationship between economic theory and rigorous data. Replicable data that were specifically created to satisfy conditions set by
[3] PDF — Experimental Economics, History of Francesco Guala Abstract Contemporary experimental economics was born in the 1950s from the combination of the experimental method used in psychology and new developments in economic theory. Early experimental studies of bargaining behaviour, social dilemmas, individual decision making
[4] History of Experimental Economics - The Linde Institute — History of Experimental Economics Caltech has been pioneering experimental research fueled by rapidly developing theoretical models since the work of Charlie Plott and Vernon Smith in the 1970s. The unique feature of research conducted by Caltech-affiliated scholars is the dialogue between theoretical and experimental methods used to provide
[5] Experimental economics - Wikipedia — Experimental economics is the application of experimental methods to study economic questions. Data collected in experiments are used to estimate effect size, test the validity of economic theories, and illuminate market mechanisms.Economic experiments usually use cash to motivate subjects, in order to mimic real-world incentives. Experiments are used to help understand how and why markets
[6] Experimental Economics: What it Means, How it Works - Investopedia — Experimental economics is a branch of economics that studies human behavior in a controlled laboratory setting or out in the field, rather than just as mathematical models. It uses scientific experiments to test what choices people make in specific circumstances, to study alternative market mechanisms and test economic theories. These market experiments, involving real people making real choices, are a way of testing whether theoretical economic models actually describe market behavior, and provide insights into the power of markets and how participants respond to incentives—usually cash. The field was pioneered by Vernon Smith, who won the Nobel Prize in Economics in 2002 for developing a methodology that allows researchers to examine the effects of policy changes before they are implemented to help policymakers make better decisions.
[16] Chapter 6: Advantages and disadvantages of field experiments — Over the past two decades, experimental economics has seen a large increase in the use of field experiments. Field experiments provide a useful bridge between the stylized environment of the laboratory and the context-rich environment of the outside world. Field experiments have now been used in a range of applications, including in development economics, charitable giving, labor economics
[17] Advantages and Disadvantages of Lab Experiments - AspiringYouths — Advantages of Lab Experiments. Control over variables - Lab experiments let you change one thing at a time while keeping everything else the same. This helps figure out what causes what. Reproducible results - Doing the same experiment more than once can give similar outcomes, which helps to check if the results are reliable.; Precise measurements - You can use tools to get exact numbers
[19] How Psychological Factors Influence Economic Decision-making, and The ... — This paper reviews the literature on how psychological factors such as cognitive biases, emotions, and social influences influence economic decision-making.
[44] Exploring Experimental Economics: Key Concepts and Insights - Course Hero — Spark notes versions Lecture 1: Overview of Experimental Economics • Definition: Experimental economics uses controlled experiments to test economic hypotheses. • Key Figures: o Milton Friedman emphasized the difficulty of control in economic studies. o Edward Chamberlin tested competitive equilibrium. o Vernon Smith emphasized using salient rewards and won a Nobel Prize.
[45] Experimental Economics: What it Means, How it Works - Investopedia — Experimental economics is a branch of economics that studies human behavior in a controlled laboratory setting or out in the field, rather than just as mathematical models. It uses scientific experiments to test what choices people make in specific circumstances, to study alternative market mechanisms and test economic theories. These market experiments, involving real people making real choices, are a way of testing whether theoretical economic models actually describe market behavior, and provide insights into the power of markets and how participants respond to incentives—usually cash. The field was pioneered by Vernon Smith, who won the Nobel Prize in Economics in 2002 for developing a methodology that allows researchers to examine the effects of policy changes before they are implemented to help policymakers make better decisions.
[59] PDF — ExpEcon Methods: Vernon's Precepts ECON 8877 P.J. Healy Updated 21. September 2023 1. Vernon Smith Vernon Smith 2002 Nobel Prize Other early pioneers: Plott, Kagel, Battalio, Williams... many 2. Why Vernon? ... • "Experimental Economics: Induced Value Theory" (1976) • "Microeconomic Systems as an Experimental Science" (1982)
[60] Vernon Smith: economics as a laboratory science — Smith's Nobel lecture (Smith, 2003) surveys the territory that has been colonized by laboratory experimental economics. He organizes the research by distinguishing two types of rationality: constructivist, by which he means the sort of rationality built into the standard social science model of 'economic man'; and ecological, which refers to the effectiveness of an institution or
[61] Vernon Smith: Experimental Economics | UBS Nobel Perspectives — While testing and demonstrating core concepts of economics that are usually taken for granted, Vernon Smith proved himself (and many other scholars) wrong. In fact, most economists, at the time when he embarked on the journey of bringing experimental methods to economics, believed that the standard theory of supply and demand was an abstract ideal.
[87] Experimental Economics - an overview | ScienceDirect Topics — Experimental Economics is defined as a branch of economics that involves conducting controlled experiments, either in laboratory settings or in the real world, to study individual decision-making, strategic interactions, and market dynamics to test economic theories and models. This article summarizes the defining features and scientific contributions of the modern subfield of experimental economics, describes the relation of economic experimentation to other methodological approaches in economics and to related research streams in social and behavioral sciences, and discusses the potential of economic experiments for progressing frontiers in both scientific knowledge and policy.
[88] PDF — It is generally agreed now that the birth of experimental economics owes a lot to the publication of von Neumann and Morgenstern’s Theory of Games and Economic Behavior (1944) and to the subsequent developments of game and decision theory. In collaboration with Lawrence Fouraker, the psychologist Sidney Siegel conducted a systematic investigation of bargaining behavior at Pennsylvania State University, trying to combine what he took to be the most advanced aspects of economics (the theory) and psychology (the experimental method). A few years later Lichtenstein and Slovic’s (1971) seminal experiments on preference reversals were introduced into the economics literature by Grether and Plott (1979), kicking off a series of theoretical and experimental papers that would fill the pages of the American Economic Review for years.
[90] SoPHIELabs - online experiment platform for economic experiments and ... — Online experiment platform. SoPHIELabs is an online experiment platform focused on economic experiments and psychology experiments. We are providing an intuitive interface to help you with your experimental design and data collection. Subjects are able to participate using mobile devices and connect through various platforms.
[91] Web-based experimental economics software: How do they compare to ... — Experimental economics software should ideally work with software packages or online platforms for external participant management or have built-in participant management functions. However, web-based software packages can use APIs (Application programming interface) for seamless integration with external online platforms, which provide a
[92] Revolutionizing Experimental Economics — HIVE redefines experimental economics research, offering a comprehensive and accessible platform that empowers researchers, fosters collaboration, and promises breakthrough insights. ... Non-profit status ensures lower costs than other research platforms. Features for Participants. Earn Money. Earn money participating in online research studies.
[93] Conducting interactive experiments online | Experimental Economics — Online labor markets provide new opportunities for behavioral research, but conducting economic experiments online raises important methodological challenges. This particularly holds for interactive designs. In this paper, we provide a methodological discussion of the similarities and differences between interactive experiments conducted in the laboratory and online. To this end, we conduct a
[94] LIONESS Lab: a free web-based platform for conducting interactive ... — LIONESS Lab is a free web-based platform for interactive online experiments. An intuitive, user-friendly graphical interface enables researchers to develop, test, and share experiments online, with minimal need for programming experience. LIONESS Lab provides solutions for the methodological challenges of interactive online experimentation, including ways to reduce waiting time, form groups on
[95] PDF — August 2023 . Behavioral and Experimental Economics . Behavioral economics attempts to make economics a more relevant and powerful science of human behavior by integrating insights from psychology and the social sciences into economics. Experimental economics is valuable in testing to what extent the integration of
[96] The Introduction to Behavioral Economics and Its Widespread Use across ... — Case Studies of Policies Influenced by Behavioral Economics. Across the globe, the integration of behavioral economics into policy-making has been more than just theoretical. A multitude of real-world case studies underscore its efficacy and transformative potential. ... Messer K D. Experimental and behavioral economics to inform agri
[97] PDF — encourage a more experimental and evidence-based approach to policymaking. LLMs also have a role in the design of Randomized Controlled Trials (RCTs), a standard in policy experimentation. An essential critique of RCTs in economics is their frequent inability to meet the "double-blind" standards of medicine (Deaton and Cartwright, 2018).
[98] PDF — section discusses the broader risks and benefits of generative AI in behavioral and experimental economics, as well as implications for open science and for scaling a culture of experimentation in business and policy-making. We offer some speculative pointers on managing these. 2. Designing Experiments with LLMs
[99] Behavioral Economics: Policy Impact and Future Directions — Behavioral economics - a field based in collaborations among economists and psychologists - focuses on integrating a nuanced understanding of behavior into models of decision-making. Since the mid-20th century, this growing field has produced research in numerous domains and has influenced policymaking, research, and marketing.
[110] PDF — The microcredit example is unusual in the sense that results from RCTs were suficient to change perceptions and policy. A more typical case of policy influence follows a long chain from the first experiments to the final adoption of policy, on the way tackling the many dificulties involved with scale-up.
[111] What Can Policymakers Learn from Experimental Economics? — Here, the techniques of experimental economics are making a significant contribution. Experimental economics sets up choices that people actually make, whether in the laboratory, under carefully controlled conditions, or in the field, where their decisions can sometimes be compared with results in real markets.
[112] How Can Experiments Play a Greater Role in Public Policy? 12 Proposals ... — Policymakers are increasingly turning to insights gained from the experimental method as a means to inform large scale public policies. Critics view this increased usage as premature, pointing to the fact that many experimentally-tested programs fail to deliver their promise at scale. Under this view, the experimental approach drives too much public policy. Yet, if Read more
[113] How Can Experiments Play a Greater Role in Public Policy? — Policymakers should carefully evaluate the results of policy experiments, and should avoid scaling programs before there is sufficient evidence of efficacy. Careful consideration of these three categories of major threats to scalability leads to a set of recommendations for policymakers to reduce the scale-up effect and better understand which policies will scale effectively. Our theoretical framework begins to tackle what we consider the most important question facing evidence-based policymaking today: How can we combine economics with the experimental method to inform policy at scale? Providing insights into how results scale to the broader population is critical to ensuring a robust relationship between scientific research and policymaking and a bright future for evidence-based policy. The entire science-based community—from scholars to funders to policymakers—must join forces to tackle the weakest link in successful evidence-based policy: the scale-up effect.
[132] Experimental Economics: Designing and Conducting Experiments — Experimental Economics: Designing and Conducting Experiments - SOCIALSTUDIESHELP.COM Economics Experimental Economics: Designing and Conducting Experiments At its core, experimental economics involves the application of controlled experiments to study how individuals make decisions in economic settings. In this comprehensive article, we delve into the intricacies of experimental economics, focusing on the process of designing and conducting experiments. Through this exploration, we aim to provide a thorough understanding of how experimental methods can illuminate human economic behavior and contribute to more effective economic policies. By simulating policy interventions in a controlled environment, experimental economics can inform the design and implementation of effective policies. The applications of experimental economics extend beyond academic research, influencing policy formulation, market design, and business strategies. Economics Lecture Notes – Economic Policy Economics Economic History Economic Policy
[133] Economic Experiment - an overview | ScienceDirect Topics — His initial work focused on double auction mechanisms, an improvement of the pit market experiment by Chamberlin. These auction mechanisms were shown to increase market efficiency to more than 90%. Considering the number of published articles, experimental economics does not have a long history and it evolved rapidly in recent years.
[135] Behavioral interventions and market efficiency: The case of a volatile ... — For example, we might have a situation when two different interventions in the residential electricity market are similar in terms of their effectiveness in achieving residential electricity savings, but it remains unclear which one leads to greater consumer surpluses and overall market efficiency. 1 This observation emphasizes the value of
[140] Experimental economics - Wikipedia — Experimental economics is the application of experimental methods to study economic questions. Data collected in experiments are used to estimate effect size, test the validity of economic theories, and illuminate market mechanisms.Economic experiments usually use cash to motivate subjects, in order to mimic real-world incentives. Experiments are used to help understand how and why markets
[142] Experimental economics method and applications | Econometrics ... — Over the past two decades, experimental economics has moved from a fringe activity to become a standard tool for empirical research. With experimental economics now regarded as part of the basic tool-kit for applied economics, this book demonstrates how controlled experiments can be a useful in providing evidence relevant to economic research.
[143] Three Essays on Social Issues in Experimental Economics — This dissertation consists of three essays, all of which use the toolbox of experimental methods to explore behavioral issues that fall out of the concepts of human capital and public economics. The essays examine how an individual alters her behaviors in response to changes in price, information, and social pressures. Understanding these behavioral changes can help us to better explore the
[145] Experimental Economics - an overview | ScienceDirect Topics — Experimental Economics is defined as a branch of economics that involves conducting controlled experiments, either in laboratory settings or in the real world, to study individual decision-making, strategic interactions, and market dynamics to test economic theories and models. This article summarizes the defining features and scientific contributions of the modern subfield of experimental economics, describes the relation of economic experimentation to other methodological approaches in economics and to related research streams in social and behavioral sciences, and discusses the potential of economic experiments for progressing frontiers in both scientific knowledge and policy.
[150] Experimental economics for market design - ResearchGate — This study reports of an experimental economics analysis of the new proposed Swedish-Norwegian tradable green certificate market (TGC). The green certificate market is a fi-nancial instrument to
[152] Strategy-proofness in experimental matching markets — Laboratory experiments have been instrumental for the success of market design. Footnote 1 This is true, in particular, for centralised markets based on matching mechanisms. Those experiments show how strategy-proof (i.e., dominant-strategy incentive-compatible direct) mechanisms such as Deferred Acceptance (DA) and Top Trading Cycles (TTC) outperform non-strategy-proof mechanisms like the so
[168] PDF — It is generally agreed now that the birth of experimental economics owes a lot to the publication of von Neumann and Morgenstern’s Theory of Games and Economic Behavior (1944) and to the subsequent developments of game and decision theory. In collaboration with Lawrence Fouraker, the psychologist Sidney Siegel conducted a systematic investigation of bargaining behavior at Pennsylvania State University, trying to combine what he took to be the most advanced aspects of economics (the theory) and psychology (the experimental method). A few years later Lichtenstein and Slovic’s (1971) seminal experiments on preference reversals were introduced into the economics literature by Grether and Plott (1979), kicking off a series of theoretical and experimental papers that would fill the pages of the American Economic Review for years.
[169] PDF — economics. Experimental economics adapts methods developed in the natural sciences to study economic behavior. Experiments are valuable in testing to what extent the integration of insights from other disciplines into economics is necessary and fruitful. Behavioral and Experimental Economics is a vibrant field of research in economics and sheds
[170] Empirical methods in the economics of education - ScienceDirect — The methods include research designs that exploit explicit randomization as well as quasi-experimental identification strategies based on observational data. All methods are illustrated with a range of selected example applications from the economics of education.
[173] PDF — experimental economics, identification assumptions are much less severe. To obtain the effect of treatment in the particular domain of study the only major assumption necessary is appropriate randomization (with appropriate sample sizes). In this man-ner, when running an experiment the analyst is using randomization as an instrumen-
[175] The External Validity in Economic Experiments — The factors that compromise the external validity of economic experiments have been characterized in a variety of ways. In essence, three types of factor are a cause of concern: omissions, contaminations and the artificiality of alteration. Omissions are factors in the naturally occurring decision-making context or system
[176] PDF — experiments deal with the key problem of external validity of experimental results. External validity, in its original formulation, is a 'question of generalizability: to what populations, settings, treatment variables, and Journal of Economic Methodology 12:4, 495-515 December 2005 Journal of Economic Methodology ISSN 1350-178X print/ISSN
[201] The Early Development of Experimental Economics: The Influence of Game ... — An historical overview of experimental economics points out significant analogies between its origins and the contemporary emergence of game theory. In both cases, their effective introduction in economics was postponed until the 1960s. Such a delay cannot be ascribed to the supposed division between empirical and theoretical work but to the fact that in the 1950s experimental methodologies
[202] (PDF) Influence of Game Theory on Experimental Economics' Development — 2. The interaction between game theory and experimental economics Today, the interplay between game theory and experimental economics is generally considered as one of the most fruitful area of research. To explain the close relation existing between these two methods, it is useful to go over the process of introduction of game theory into
[204] Experimental Economics and Experimental Game Theory - ScienceDirect — Game theory examines the way in which incentives affect decisions in strategic environments, and as such is an ideal tool for neuroeconomics studies because it links individual decision making to group level outcomes using clearly defined mechanisms. However, more recently, experimental economics and behavioral game theory have focused on more descriptive rather than exclusively normative questions, exploring which factors affect actual human social decisions, which are often suboptimal from the perspective of rational choice theory (Camerer, 2003). Recent reviews summarize a multitude of studies that deploy a variety of strategic games and examine the effects of instructions, framing, incentives, and many other highly relevant factors driving human interactive decision-making (Houser and McCabe, 2014). Cookies are used by this site.
[209] Changing perceptions about experimentation in economics: 50 years of ... — This perhaps reflected the reality that by the early years of this century experimental economics was more regularly spreading its wings beyond university laboratories, and can arguably be considered an increase in the positivity of the book's language towards experimentation, given that overuse of student samples is a common criticism levelled
[210] External Validity and Libraries of Phenomena: a Critique of Guala'S ... — Abstract Francesco Guala has developed some novel and radical ideas on the problem of external validity, a topic that has not received much attention in the experimental economics literature.
[217] Contingent Valuation, Hypothetical Bias, and Experimental Economics — Economists have had mixed success in developing techniques designed to control for this "hypothetical bias." This paper highlights the role of experimental economics in addressing hypothetical bias, and identifies a gap in the existing literature by focusing on the underlying causes of this bias.
[219] Unique Challenges Facing Economists: Practicality, Assumptions ... — Subjectivity and Bias: Economic models often involve subjective judgments and assumptions, which can introduce bias into the prediction process. This bias can arise from the researcher's own perspectives or from the inherent limitations of the model's structure. Ensuring accurate predictions is paramount for economists and policymakers.
[220] PDF — Ernst Fehr – Experimental & Behavioral Economics 11 An Example: Buying and Selling on a Market (Instructions) • In the following experiment you are either a buyer or a seller. Ernst Fehr – Experimental & Behavioral Economics 18 Advantages of (Lab) Experiments – Enhanced Control • Subjects are randomly assigned to the treatment conditions – rules out selection bias. Ernst Fehr – Experimental & Behavioral Economics 29 Controlling Preferences (Induced Value Theory, Smith AER 1976) • In many experiments the experimenter wants to control subjects preferences. • Design proper control treatments that allow causal inferences about why the theory fails (example: bargaining experiments) Ernst Fehr – Experimental & Behavioral Economics 35 2.
[221] Improving the statistical power of economic experiments ... - Springer — An important issue for many economic experiments is how the experimenter can ensure sufficient power in order to reject one or more hypotheses. The paper illustrates how methods for testing multiple hypotheses simultaneously in adaptive, two-stage designs can be used to improve the power of economic experiments. We provide a concise overview of the relevant theory and illustrate the method in
[243] Experiments in Economics - ScienceDirect — This could change motivation and behavior as well. A critical assumption underlying the interpretation of data from many laboratory experiments is that the insights gained in the lab can be extrapolated to the world beyond, a principle we denote as generalizability. ... 482 â€" 492 Experimental Economics Results (Roc. 1, Part 7, s. 939â
[244] Logical and Philosophical Foundations of Experimental Research in the ... — This chapter outlines the logical and philosophical underpinnings of contemporary experimental research in the social sciences. After explicating the fundamental principles of experimental design and analysis as established by John Stewart Mill and Ronald A. Fisher, I examine modern critiques of the experimental method and show how these are flawed.
[245] Social Science Research and Philosophical Alignments - Academia.edu — This paper sought to critically explore the philosophical underpinnings of the social science research. It was suggested that a "multiversal" ontological position, positivist-hermeneutic epistemological position and value-laden axiological position should be adopted for social science research by non-western scholars as alternative to the
[247] Trends in the publication of experimental economics articles — We report data on the experimental articles published from 2000 to 2021 in seven leading general-interest economics journals. We also look at time trends in the characteristics of the published experimental articles, including citations and the nationality of the authors. We find an overall increasing trend in the publication of non-lab experiments in all journals. By contrast, the share of
[248] Experimental Economics: Past and Future - NYU Scholars — Over the past several decades, lab experiments have offered economists a rich source of evidence on incentivized behavior. In this article, we use detailed data on experimental papers to describe recent trends in the literature. We also discuss various experimentation platforms and new approaches to the design and analysis of the data they
[250] PDF — In recent years, there has been increasing discussion within the E conomic Science Association (ESA) ... Executive Committee created an ad-hoc committee to investigate the publishing trends in further experimental economics. This article is one of the outcomes of this investigation. We update, broaden, and deepen the analysis of Nikiforakis and
[251] Experimental Economics: Past and Future | Annual Reviews — Despite this decline in the publication of experimental economics work, the impact of the published papers—as measured by the number of citations, which is often utilized in promotion and hiring decisions (see, e.g., Lehmann et al. Furthermore, particularly with the emergence of online experimental platforms, there is a risk that unmonitored pilots will grow rampant and guide researchers in new ways toward experimental designs and analyses that generate a significant set of results: a substitution of p-hacking with “design-hacking.” In the words of Simmons et al.
[254] PDF — By examining the role of these factors in consumer behavior, financial decisions, and public policy, behavioral economics provides a deeper understanding of why individuals often make irrational or suboptimal choices. Keywords: Behavioral Economics, Decision-Making, Cognitive Biases, Heuristics, Consumer Behavior, Economic Choices, Nudging, Rationality, Prospect Theory, Policy Interventions. However, behavioral economics challenges this assumption by integrating psychological insights to explain why people often make decisions that deviate from rationality. By understanding these factors, behavioral economics provides a more realistic model of decision-making, which has significant implications for consumer behavior, financial markets, and public policy (Bertrand et al., 2006). Journal of Economics and Economic Education Research, 25(S5), 1-3 Behavioral economics provides a more nuanced understanding of decision-making by incorporating psychological insights into economic models.
[257] Experimental Economics in Virtual Reality - Semantic Scholar — By means of three examples, it is illustrated how experiments in highly IVEs can add value to experimental economics and benefit economic research. Recent developments in virtual reality (VR) technology have the potential to revolutionize the way economists do experimental research. With Oculus' light and affordable head mounted display (HMD) human subjects can literally move and use objects
[259] PDF — 2 Increasingly, economists have turned to the experimental model of the physical sciences as a method to understand human behavior. Much of this research has taken the form of laboratory experiments in which volunteers enter a research lab to make decisions in a controlled environment. Over the past decade, economists have increasingly made use of field experiments to explore economic
[260] Experimental Economics Interdisciplinary Research Group (EEIR ... — The Experimental Economics Interdisciplinary Research Group (EEIR) provides researchers an umbrella protocol along with a common subject pool for human participants, with many opportunities for students to become involved. The research is tied together by a common experimental research method using real money payments to incentivize behavior in
[261] Economics and Interdisciplinary Collaborative Efforts — Interdisciplinary efforts require familiarity with the findings of other disciplines as well as direct collaboration with professionals in other disciplines. This paper presents a somewhat personal perspective on the issues that economists may encounter in interdisciplinary work.
[262] Interdisciplinary Collaboration and Multiple Methods - AEI — The range of questions has broadened over time, as have the methods, incorporating innovations like game theory and experimental economics as well as more recent econometric and data science methods.
[263] Model Coupling in Resource Economics: Conditions for Effective ... - JSTOR — gether for interdisciplinary collaboration in these cases and show how the use of a coupled-model framework in this case to coordinate and combine background models from ecology and economics provided particular collaborative affordances and clear collaborative gain. 1. Introduction. Recent years have seen a burgeoning interest in promot-
[264] Experiment in Economics - an overview | ScienceDirect Topics — The chapter concludes by identifying some areas of wide interest and integrating the history with an assessment for future developments of experimental research in economics. ... provides a comprehensive research approach for generating credible research findings that can inform evidence-based policymaking in agri-environmental contexts
[265] How Can Experiments Play a Greater Role in Public Policy? — Policymakers should carefully evaluate the results of policy experiments, and should avoid scaling programs before there is sufficient evidence of efficacy. Careful consideration of these three categories of major threats to scalability leads to a set of recommendations for policymakers to reduce the scale-up effect and better understand which policies will scale effectively. Our theoretical framework begins to tackle what we consider the most important question facing evidence-based policymaking today: How can we combine economics with the experimental method to inform policy at scale? Providing insights into how results scale to the broader population is critical to ensuring a robust relationship between scientific research and policymaking and a bright future for evidence-based policy. The entire science-based community—from scholars to funders to policymakers—must join forces to tackle the weakest link in successful evidence-based policy: the scale-up effect.